Tread for footwear.



J. MeGANNA.

TRBAD FOR FOOTWEAR.

APPLIGATION FILED SEPT. 3, 1912. y l 1,058,617, Patented Apr. 8, 1913.

Inventor QQQQQQQQQQQQQMQ QQQQQQQQQQ QQQQQ QQQQ QQQQQQQQQQQQQQ QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ Witnesses Attorneys UNITED srarns Parana? onron JOHN MGCANNA, OF ONTONAGON, MICHIGAN, ASSIGNOR OF 0NE-HA|F TQ JOHNJONES,

' .OF ONTQNAGON,`MICHIGAN.

TREAD FOR FOOTWEAR- 4 Specification of Letters Patent.`

Patenten am.. e, reis.,

Application led September 3, 1912. Serial o. 718,323.

, To all whom it may concern.'

Be it known that I, JOHN MGCANNA, a citizen of the UnitedStates,'residing at Ontonagon, in the county of Ontonagon and State ofMichigan, have'invented a new and useful'Tread for Footwear, of whichthe following is a specification.

This invention relates to footwear, and particularly to shoes, it beingrthe primary object of the present. invention to provide a novel form oftread for rubber shoes, in order to eifectually prevent slipping on snowand ice.

This invention is adapted particularly for use in connection with`ilurnbermens shoes, but it is understood that the same has a wide rangeof application, aswill be apparent. p

This invention contemplates the production of a tread for a shoe whichshall be easy to manufacture, which shall be inexpensive in itsproduction, which shall be substantial and durable, and which shalleiectively revent slipping, as well as being convenient and comfortable,in its use.

It is the object of the present invention, to avoid the use of leatheror other pieces in the construction of the sole and heel of the tread,which pieces Serve to weaken the solo and heel so that cracking orbreaking thereof is rendered more liable, and-for the Jfurther reason,that said pieces tend to shrink and swell independently so as to causethe -warping or /unshaping of the tread, which is objectionable.

The present invention has for a further object, to provide a tread ofthe character indieatedfwhich shall be devoid of nails, or othermetallic securing members, the absence ot which has the edect ofincreasing the resistance against conduction, so that the tread givesproper protection against cold, as it would not otherwise furnish in thepresence of nails .and the like.- The preslence of nails und similarsecuring members would also turd in tear the solo and heel and thusprovide leaks and other disadvantages which the present invention aimsto overcome.

A still further object of the present invention is to provide a treadmolded from rubber andL comprising integral heel and sole portions, andintegral means for preventing slipping.

TWith the foregoing and other objects in view, the present inventionresides in the novel construction, combination and. arrangement oi'parts hereinafter set forth and claimed, reference being had to the ac;companying drawing, wherein the invent-ion has been illustrated in itspreferred embodi-` ment, and wherein- I Figure 1 is a bottom view of thetread of -a shoe constructed in accordance with the present invention.Fig. 2 is a side elevation thereof. Fig. 3 is a section taken on theline- 3-3 of Fig. l.

Referringspecitically to the drawings, the numeral 4 designates thetread comprising the sole portion 5 and the heel port-ion 6, which areof approximate equal thickness throughout and are of a thickness to suitthe circumstances. The tread is also suitably curved to coliform to thefoot. of the wearer, 'asl will be apparent.

The heel portion 6 is provided with an integral depending transverse rib7 at its front end and with an integral depending transverse rib 8 atand forming a part of the rear end of the heel, the ribs 7 and 8 beingof considerablewidth and being spaced apart as will be observed in thedrawing.

The sole portion 5 isprovided with a pair ot integraldepending'juxtaposed transverse strips 9, which are arranged directly inrear and in front of the point l0 or the sole portion on which the ballot' the foot' is adapted to rest, the ribs 9 also being of considerablewidth. Y

ln the formation of the tread, the same is L molded in a suitable formermold, the tread, -and\ ribs beiney grooved, serrated or otherwiseroughened, as is customary. It ma be stated at this point, that the pairof ri s 9 on the sole portion are essential, but if desired, more thantwo of the ribs may be provided. From the foregoing, taken in connectiowith the drawing, the advantages and capabilities of the presenttreadwill be apparent., and it will he observed that the objects aimed athave beencnrried out. The tread in being constructed of an integralpiece of rubber will not warp, swell, shrink, or otherwise becomedistorted as would be the ease it' the tread embodied leather or otherpieces, and nails or other securing;r members. The application of thetread to rubber shoes or other footwear will be apparent, itbeing notedthat the ribr'a at the front and rear ends of the heel will conveniencethe use of a shoe embodying the present tread and that the ribs 9 arearranged directly in front and rear of the point of the sole upon Whichthe ball of the foot is designed to rest, to permit the sole to bend orfiex between the ribs 9. The ribs are all ot' considerable widths so asto adapty a shoe embodying the present tread for ordinary use, and theribs are also of sutlicient. depth to properly sink into the snow forpreventing slippine.

IIn practice, it may be desirable to slightly shift the particular'position of the various ribs, it being understood, thereiore, that theparticular arrangement of the var1ous ribs may be altered as is deemeddesirable or beneficial.v l

Having thus described the invention, what is claimed as new is A moldedshoe tread comprising integral Sole and heel portions of approximatelyequal thickness throughout, the heel portion having,r an integraldepending transverse rib ot' comparative large width at its front end,and an integral depending transverse rib of comparatively large width atand forming a part of the rear end thereof, and the sole )ortion havin Ya )air of inteo'ral de )cnd- D D mg transverse ribs of comparativelylarge widths directly in front and in rear ol the point of the soleportion on which the ball of the foot is designed to rest.

In testimony that I claim the foregoing as my own, I have hereto ailixedmy signature in the presence of two witnesses.

JOHN MCCANNA.

lVitnesses: v

Mannion l). MCCANNA, JonN lVALsn.

